I need to buy gradiometer

[EGY fox]

Hi
I need to buy gradiometer to detect void and caves so i want inexpensive gradiometer
And Any one hear about optimum detect products https://www.optimumdetech.eu/shop/metalldetektoren/3d-gradiometer/innovation

 

[raff33]

Hi
I need to buy gradiometer to detect void and caves so i want inexpensive gradiometer
And Any one hear about optimum detect products https://www.optimumdetech.eu/shop/metalldetektoren/3d-gradiometer/innovation

why not try to build your own gradiometer best than bay ixpensive device

 

[achanceforgold]

why not try to build your own gradiometer best than bay ixpensive device

hi Raff33,

I looked into this a few years ago. I'm afraid my pee brain couldn't get a good grasp on the details.
If you have some information or a design, I would love to hear about it.

Oh, and welcome to the forum.